Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 01:29

General

  • Target

    9afde0c6e964ab81b0ae4d3cc9d5d524105a8e8536803e87aeac144920b78f3f.exe

  • Size

    203KB

  • MD5

    e76205bf0f4176dffe23667fcfbdb664

  • SHA1

    9a7b395eea6f829ce35778746ca03e71bb5e4980

  • SHA256

    9afde0c6e964ab81b0ae4d3cc9d5d524105a8e8536803e87aeac144920b78f3f

  • SHA512

    46cfcf41d72647cfe4812b79148cb7e002bea2425e496b9f241f3c6769ab84772a2aefade4a8d8ef4c3e9dcadabfaebf920a4d6dfeb8fa85933b76c241dfc8bf

Score
10/10

Malware Config

Extracted

Path

C:\e0m2l4zm4a-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has expansion e0m2l4zm4a. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practise - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/52D682FA0BDF4AAF 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decryptor.top/52D682FA0BDF4AAF Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: ubWXbJ4ziSh7PmxZ07mb/5hO4+8uNeAuJ99m7ZsyzMs82bZj6/rzauxVf6UT6XY9 j+HQhDnLPF3ETZeqZXcMT6UUH3TpneHrHIOIgguuVHOZE08gCK2XhBDlMbh1WhBR rPxXtX/ZLP8Q43aoc2hsV/7HsT1orw+QdWRfcPNQ7Vaf1zDtj7cv0vUQwtJJrXLD okiGvl5eefh+q8M48UR7StlVTQjaIoRyj5YZvlnlZCl5mGIwXxLSNzichHLVLqOY AP7MNRp4YYFKiGt7MQTDWZm/tC3rSK7xi24lThHWbIYnxzokVlx2gKEmvsSPMT0a oszaxUnJxNnYsSk8bPqWXp7jNJzikKJDpUwFcMviAtjr9Fwj3H1zoaFX1IHMi410 j0uFaDzHMLi+nizsPPU+orlRkXgPg6Teufacz3YmCh3pGnonbkPmdcXZjQcgdnb1 /CyIZrfuLYb8qFYOB4R5EAr/cyS5yGt6Bvwk8zAzDNMiY2PJUsd9VHOfAYcOo4WV kn6nAR8/7No8wl1Stg+rvd67myBFS/7fHUddk8uC1+xCd5CvDlspqC3x1fDNDqED P2cfUwEAqF+oDgFjmU5LINXTgb53GWXO7mmI+qL1Pv3KrmhR0Yp+exHwZ2hzSB6P doQl8j8auAJybWHpxCnmGK+Ilbu+LlygSRvC1rTtKaFnm3UTJquREMsDAwdqIMi6 +xgjE9IPqrMRiyQcosz0nyjMH8TIf6mujlfDUReJY25ogp9L8tnq2+ps4FC5lfrf 8awxUsNTWBPg9qlamlWajHrGoyqNw2Nco8+ujFzHKf7lok9HWcnjpUBH80n1Ti7s TTGI1/seVdbvgjZKnuh488+fTrIqwN8UMAY07taQ7p/kQGo/PTeePWh513ddzB+L SCBlWIxs09UENWRDw3iBI+sVjg5aSgOhJB5Wr91tm3y/PrVCMzrscYsorykXzfnp ebc40Jg4oTqsZyoOEwPV62F/38jmUQG7iON2i5pVWziarD38oSmh+38or8uQMowB jYW3ejXWNUB5r7rLpfempmsnog5jl6TJ2TL1SKbS6RjB5n48++CANhjqk1LB//0V SSWDLAMEeMf8oX3+T9frJq+odWCU/RsrbRijL9Bw40Kqy8hqLNkPHDwojSshOtjt FzffFzKMzpY= Extension name: e0m2l4zm4a ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/52D682FA0BDF4AAF

http://decryptor.top/52D682FA0BDF4AAF

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops desktop.ini file(s) 28 IoCs
  • Enumerates connected drives 3 TTPs 25 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 29 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9afde0c6e964ab81b0ae4d3cc9d5d524105a8e8536803e87aeac144920b78f3f.exe
    "C:\Users\Admin\AppData\Local\Temp\9afde0c6e964ab81b0ae4d3cc9d5d524105a8e8536803e87aeac144920b78f3f.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2036
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1992
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:772
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1940

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    File Deletion

    2
    T1107

    Modify Registry

    2
    T1112

    Install Root Certificate

    1
    T1130

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Impact

    Inhibit System Recovery

    2
    T1490

    Defacement

    1
    T1491

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1264-54-0x0000000075421000-0x0000000075423000-memory.dmp
      Filesize

      8KB